Bakalova (ed.), The Ossuary of Bachkovo (2003)
[Bibliography]
Elka Bakalova, Vera Kolarova, Petar Popov, Valentin Todorov, The Ossuary of the Bachkovo Monastery, Elka Bakalova (ed), Vasil Atanasov (tr) (A. G. Leventis Foundation, Pygmalion, Plovdiv 2003)